the Old World hookworm of man, a species widespread in temperate areas, in contrast to the more tropical distribution of the New World hookworm, Necator americanus. It is the only hookworm found in the U.S.
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the Old World hookworm of man, a species widespread in temperate areas, in contrast to the more tropical distribution of the New World hookworm, Necator americanus. It is the only hookworm found in the U.S.